Introduction. The Centers for Disease Control and Prevention (CDC) estimate that between 1 039 000 and 1 185 000 people in the USA are infected with HIV, and approximately 75% are aware of their infection and 25% are not.
February 18, 2010 â Editor's note: Pediatric respiratory emergencies result from a variety of causes, including chronic medical conditions, infections, allergic reactions, and obstruction from foreign bodies.
Acute hypoxemic respiratory failure (AHRF) is severe arterial hypoxemia that is refractory to supplemental O2. It is caused by intrapulmonary shunting of blood resulting from airspace filling or collapse. Findings include dyspnea and tachypnea. Diagnosis is by ABGs and chest x-ray.